Baie-du-Tonnerre, Ontario Weather
Baie-du-Tonnerre, Ontario — live current conditions, hourly and 7-day forecasts, ECCC alerts, aviation weather, radar and satellite imagery, marine and fishing conditions with a solunar forecast, soil and crop conditions for Baie-du-Tonnerre in Simcoe.
Marine forecast and fishing conditions near Baie-du-Tonnerre.
Flight conditions near Baie-du-Tonnerre. Data source: locating…
Soil conditions, frost risk and crop weather for Baie-du-Tonnerre.
About Baie-du-Tonnerre, Ontario
Baie-du-Tonnerre is a compact rural community in Simcoe, Ontario, Canada. It is classified as a village / hamlet. Baie-du-Tonnerre is located at 44.8061°N, 80.0761°W. It observes Eastern Time (UTC−5 / −4). Postal code area: L9M.
Baie-du-Tonnerre rests upon the rugged, limestone-fringed shore of Georgian Bay, where the land rises toward the sheltered rise of Lafontaine Hill. It lies 16.4 km west-north-west of Midland, ON (from Midland, ON: bearing 292°T), and is situated 12.4 km north-north-west of Cawaja Beach. The air here carries a sharp, brine-kissed clarity, especially as the late afternoon sun illuminates the water, turning the surface into a vast sheet of hammered copper that seems to hold the heat of the day long after the shadows lengthen. While Parc national du Canada des Îles-de-la-Baie-Georgienne lies about 19 km away, the horizon at Baie-du-Tonnerre retains a wild, expansive solitude that defines the character of the shoreline. Even the distant Wye River, situated about 19 km away, exerts a subtle influence on the regional watershed, sustaining the dense, moisture-rich woodlands that cloak the terrain in deep, emerald tones. Baie-du-Tonnerre persists as a quiet enclave where the local economy reflects the enduring relationship between the inhabitants and the temperamental moods of the bay. Generations have looked to these waters for sustenance, maintaining a traditional reliance on the bounty of the shoreline that persists despite the shifting demands of modern industry. The pace of life here adheres to the cycles of the seasons, marked by the arrival of migratory birds and the cooling shift in the winds that signal the approach of winter. Residents often gather near the higher ground of Lafontaine Hill, where the elevation offers a vantage point over the expanse, grounding the daily routine in a geography that demands respect and constant attention.
Live animated radar for Baie-du-Tonnerre and surroundings — RainViewer.
NOAA GOES-19 GEOCOLOR — Canada / Northern U.S. sector. Auto-refreshes every 10 minutes on page reload. Frames the whole country from Newfoundland to the BC coast, plus adjacent Pacific and Atlantic storm approaches.
Source: NOAA/NESDIS GOES-19 · Public domain · Sector code can (Canada / Northern U.S.) · Auto-updates on page reload
| Location | Baie-du-Tonnerre, Simcoe, Ontario |
| Coordinates | 44.806111°N, 80.076111°W |
| Timezone | Eastern Time (UTC−5 / −4) |
| Postal FSA | L9M |
| Area Code | 226, 249, 289, 343, 365, 382, 416, 437, 519, 548, 613, 647, 705, 742, 807, 905 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), Environment and Climate Change Canada |
About This Baie-du-Tonnerre, Ontario Weather Page
This page provides live weather conditions and forecasts for Baie-du-Tonnerre, Ontario, including current conditions, a 24-hour hourly forecast, 7-day outlook, ECCC extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modelled estimate shown when no station is in range), precipitation radar and NOAA GOES satellite imagery. Additional sections may include marine and fishing conditions with a solunar forecast for coastal localities, and soil temperature, crop weather and live Water Survey of Canada river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for Baie-du-Tonnerre includes coordinates 44.806111°N, 80.076111°W, situated in Simcoe. Postal FSA: L9M. Telephone area code: 226, 249, 289, 343, 365, 382, 416, 437, 519, 548, 613, 647, 705, 742, 807, 905. Timezone: Eastern Time (UTC−5 / −4).
Weather data is sourced from Environment and Climate Change Canada (ECCC) and the open-source Open-Meteo API. Aviation data is sourced from aviationweather.gov, with a modelled estimate used where no nearby reporting station is available. River and stream data is sourced from Water Survey of Canada (WSC) via the ECCC GeoMet realtime hydrometric feed. Marine and solunar data are modelled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-19 and is public domain.